Home / 672,941.55-928,429.65-382,523.75

Finding the Fourth Proportional to 672,941.55, 928,429.65 and 382,523.75

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Solution

The fourth proportional to 672,941.55, 928,429.65 and 382,523.75 is: 527,752.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,941.55 : 928,429.65 = 382,523.75 : x
  2. Step 2: Convert to fraction form
    672,941.55/928,429.65 = 382,523.75/x
  3. Step 3: Cross multiply
    672,941.55x = 928,429.65 × 382,523.75
  4. Step 4: Simplify right side
    672,941.55x = 355,146,391,329.19
  5. Step 5: Solve for x
    x = 355,146,391,329.19/672,941.55
  6. Step 6: Final answer
    x = 527,752.21

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.